251340987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191717}}^1$

素因数の和:191762

約数の個数: 16

約数和(自身を含む): 368098560

約数和(自身を除く): 116757573

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 191717, 575151, 3642623, 4409491, 10927869, 13228473, 83780329, 251340987]

約数ペア:

[(1, 251340987), (3, 83780329), (19, 13228473), (23, 10927869), (57, 4409491), (69, 3642623), (437, 575151), (1311, 191717)]